The image depicts a seamless pattern of a tortoise in tortoiseshell (hexagon).
Source Yamachem
To get the tile this is based on, select the rectangle in Inkscape and use shift-alt-i.
Source Firkin
Got some felt in my mailbox today, so I scanned it for you to use.
Source Atle Mo
Same as Silver Scales, but in black. Turn your site into a dragon with this great scale pattern.
Source Alex Parker
A huge one at 800x600px. Made from a photo I took going home after work.
Source Atle Mo
Sweet and subtle white plaster with hints of noise and grunge.
Source Phil Maurer
Derived from a PNG that was uploaded to Pixabay by nutkitten
Source Firkin
This ladies and gentlemen, is texturetastic! Love it.
Source Adam Pickering
A seamless pattern drawn originally in Paint.net by distorting a slice of background pattern 116 and copying the resulting triangle numerous times.
Source Firkin
A seamless texture traced from an image on opengameart.org shared by Scouser.
Source Firkin
Remixed from a JPG that was uploaded to Pixabay by Osckar
Source Firkin
If you’re sick of the fancy 3D, grunge and noisy patterns, take a look at this flat 2D brick wall.
Source Listvetra
This is the third pattern called Dark Denim, but hey, we all love them!
Source Brandon Jacoby
The image depicts polka dot seamless pattern.
Source Yamachem
Abstract Ellipses Background Grayscale
Source GDJ
To get the tile this is based on, select the rectangle in Inkscape and use shift+alt+i.
Source Firkin
Prismatic Groovy Concentric Background No Black
Source GDJ
Prismatic Rounded Squares Grid 4 No Background
Source GDJ
Remixed from a drawing in 'A Girl in Ten Thousand', Elizabeth Meade, 1896.
Source Firkin
From a tile that can be had by selecting the rectangle in Inkscape and using shift+alt+i.
Source Firkin